Distribution, Derangement & Advanced Techniques
Try the first 5 questions
- 1.
Number of non-negative integer solutions of x + y + z + w = 15:
- 2.
Number of positive integer solutions of a + b + c = 12:
- 3.
D(5) (derangements of 5 elements) equals:
- 4.
How many 4-digit numbers can be formed from {0,1,2,3,4} without repetition?
- 5.
The number of ways to distribute 5 distinct balls into 3 distinct boxes:
0 of 5 answered
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